ASTM A656 Grade 50 is a kind of of high-strength low-alloy covers three types: Type3, Type7, Type8. ASTM A656 Grade 50 is hot rolled structural steel plate for use in truck frames, brackets, crane booms, rail cars, and similar applications. ASTM A656 Grade 50 that conform to this specification offer improved formability. ASTM A656 Grade 50 is normally furnished in the as-rolled condition. The type furnished is as agreed upon between the manufacturer and the purchaser.
ASTM A656 Grade 50 chemical composition
| C |
Si |
Mn |
P |
S |
N |
V |
Nb |
|
≤0.18 |
≤0.60 |
≤1.65 |
≤0.025 |
≤0.035 |
≤0.020 |
≤0.08 |
0.008-0.1 |
ASTM A656 Grade 50 mechanical properties
| Yield Strength Mpa |
Tensile Strength Mpa |
Elongation in 2 in. % |
|
≧345 |
≧415 |
≧23 |
ASTM A656 Grade 50 could be used in manufacturing various large ships, railway vehicles, bridges, pipelines, boilers, pressure vessels, oil tanks, scroll case of hydraulic turbine, lifting and mining machinery, power plant equipment, plant steel frame and all kinds of welded structural parts which bear dynamic loads, general metal components and parts etc.
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